Severe Weather and Heavy Rain from the Great Lakes to the Mid-Atlantic; Heat Persists in the East

Widespread strong thunderstorms with damaging winds and locally heavy rain are expected from the Upper Ohio Valley into the southern Mid-Atlantic today and portions of the central Appalachians and Carolinas on Saturday. Monsoonal moisture will bring a flash flooding threat to the Desert Southwest. Sweltering heat persists from the Plains to the southern Mid-Atlantic through tonight. Read More >

Hazardous Weather Conditions

Heat Advisory until September 5, 07:00 PM CDT

Current conditions at

Harlan, Harlan Municipal Airport (KHNR)

Lat: 41.58°NLon: 95.34°WElev: 1230ft.

Fair

82°F

28°C

Humidity	89%
Wind Speed	Calm
Barometer	29.88 in
Dewpoint	79°F (26°C)
Visibility	10.00 mi
Heat Index	91°F (33°C)
Last update	4 Sep 8:15 pm CDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

5 Miles SW Persia IA

Heat Advisory September 4, 08:20pm until September 5, 07:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory September 4, 08:20pm until September 5, 07:00pm
NOW until 7:00pm Sat
Heat Advisory
Tonight
Low: 70 °F
Mostly Clear
Saturday
High: 95 °F
Increasing
Clouds
Saturday Night
Low: 71 °F
Increasing
Clouds
Sunday
High: 90 °F
Partly Sunny
then Chance
T-storms
Sunday Night
Low: 69 °F
Slight Chance
T-storms
Labor Day
High: 90 °F
Mostly Sunny
Monday Night
Low: 74 °F
Partly Cloudy
Tuesday
High: 94 °F
Partly Sunny
then Chance
T-storms

Detailed Forecast

Tonight

Mostly clear, with a low around 70. Light and variable wind becoming east southeast around 5 mph.

Saturday

Increasing clouds, with a high near 95. Calm wind becoming east southeast 5 to 8 mph in the afternoon.

Saturday Night

Increasing clouds, with a low around 71. East southeast wind around 6 mph.

Sunday

A 40 percent chance of showers and thunderstorms after 1pm. Cloudy through mid morning, then becoming mostly sunny, with a high near 90. Southeast wind 5 to 9 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Sunday Night

A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 69. Southeast wind 9 to 11 mph, with gusts as high as 16 mph.

Labor Day

Mostly sunny, with a high near 90. South southeast wind 11 to 15 mph, with gusts as high as 22 mph.

Monday Night

Partly cloudy, with a low around 74. South southeast wind 13 to 16 mph, with gusts as high as 23 mph.

Tuesday

A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94. South wind around 15 mph becoming west in the afternoon. Winds could gust as high as 22 mph.

Tuesday Night

Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 68. North northwest wind 3 to 8 mph.

Wednesday

A slight chance of showers before 1pm. Partly sunny, with a high near 87. Calm wind becoming north northwest 5 to 7 mph in the morning.

Wednesday Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 65. North wind around 5 mph becoming light and variable in the evening.

Thursday

Mostly sunny, with a high near 85. East southeast wind 5 to 7 mph.

Thursday Night

A chance of showers. Partly cloudy, with a low around 64. East southeast wind around 6 mph.

Friday

Mostly sunny, with a high near 86. Southeast wind 6 to 11 mph, with gusts as high as 16 mph.